Amine extarcts 2 tons of ore in an hour of the total extracted in a day 4 tons is purchased by the government and more than 10 tons is sold to a mineral extractor if the mine operates for x hours in a day what is the simpliest inequality that represents the number of hours the mine must operate to meet its oligations

Use the numbers in the multiplication equation 45 x 1/9 =5 to write a division equation involving division by a fraction.

Now max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.

What is the value of the discriminant of the quadratic equation -2x = -8x + 8 and what does its value mean about thenumber of real number solutions the equation has?